Meets the requirements of ASTM C 1289, Type II, Class 1, Grade 2
Closed Cell Polyisocyanurate Foam Core: Provides high R-value per inch, light weight, and flexibility in recover and metal retrofit applications
Glass-Reinforced Facers: Provides rigidity and resistance to indentation and crushing for mechanically fastened single ply membrane systems.
High R-Value (2.8 R): ½" SeparatoR Board has more than two times the R-value of wood fiber or gypsum boards.
Johns Manville offers one of the most comprehensive portfolios of commercial low-slope roofing solutions. We have a long standing dedication to providing solution-based systems for building owners.
Here you will find quick links and cheat sheets to Johns Manville roofing systems code approvals and ratings.
Guarantees and Roof Maintenance
Support services can include: conceptual product information, building science, wind uplift data, national and local code understanding, FM Global® and UL® regulations, fastening patterns and sheet layouts, installation guidelines and standard details.
Re-roofing mechanically attached or ballasted insulated single-ply systems now have the potential for recycling versus contributing to a landfill.
Your resource for all JM documents in one place.
The Submittal Wizard is a tool to help you pull together the necessary documents for your submittal package.
